<!DOCTYPE html>
<html lang="zh-CN" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title>首页</title>

    <link href="https://cdn.jsdelivr.net/npm/bootstrap@3.3.7/dist/css/bootstrap.min.css" rel="stylesheet">

    <script src="https://cdn.jsdelivr.net/npm/html5shiv@3.7.3/dist/html5shiv.min.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/respond.js@1.4.2/dest/respond.min.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/jquery@1.12.4/dist/jquery.min.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/bootstrap@3.3.7/dist/js/bootstrap.min.js"></script>
</head>
<body>

<div class="container">
    <div class="col-md-12">
        <nav class="navbar navbar-inverse">
            <div class="container-fluid">
                <!-- Brand and toggle get grouped for better mobile display -->
                <div class="navbar-header">
                    <button type="button" class="navbar-toggle collapsed" data-toggle="collapse"
                            data-target="#bs-example-navbar-collapse-1" aria-expanded="false">
                        <span class="sr-only">Toggle navigation</span>
                        <span class="icon-bar"></span>
                        <span class="icon-bar"></span>
                        <span class="icon-bar"></span>
                    </button>
                    <a class="navbar-brand" href="/logout">退出</a>
                </div>

                <!-- Collect the nav links, forms, and other content for toggling -->
                <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
                    <ul class="nav navbar-nav">
                        <li class="active"><a href="#">Link <span class="sr-only">(current)</span></a></li>
                        <li><a href="#">Link</a></li>
                        <li class="dropdown">
                            <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button"
                               aria-haspopup="true" aria-expanded="false">Dropdown <span class="caret"></span></a>
                            <ul class="dropdown-menu">
                                <li><a href="#">Action</a></li>
                                <li><a href="#">Another action</a></li>
                                <li><a href="#">Something else here</a></li>
                                <li role="separator" class="divider"></li>
                                <li><a href="#">Separated link</a></li>
                                <li role="separator" class="divider"></li>
                                <li><a href="#">One more separated link</a></li>
                            </ul>
                        </li>
                    </ul>
                    <form class="navbar-form navbar-left">
                        <div class="form-group">
                            <input type="text" class="form-control" placeholder="Search">
                        </div>
                        <button type="submit" class="btn btn-default">Submit</button>
                    </form>
                    <ul class="nav navbar-nav navbar-right">
                        <li><a href="#">Link</a></li>
                        <li class="dropdown">
                            <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button"
                               aria-haspopup="true" aria-expanded="false">Dropdown <span class="caret"></span></a>
                            <ul class="dropdown-menu">
                                <li><a href="#">Action</a></li>
                                <li><a href="#">Another action</a></li>
                                <li><a href="#">Something else here</a></li>
                                <li role="separator" class="divider"></li>
                                <li><a href="#">Separated link</a></li>
                            </ul>
                        </li>
                    </ul>
                </div><!-- /.navbar-collapse -->
            </div><!-- /.container-fluid -->
        </nav>
    </div>

    <div class="col-md-12">
        <div class="jumbotron">
            <h1>Hello, world!</h1>
            <p>nothing</p>
            <p><a class="btn btn-primary btn-lg" href="#" role="button">Learn more</a></p>
        </div>
    </div>

    <div class="col-md-4">
        <h1>Level 1</h1>

        <div class="list-group">
            <a th:href="@{/level1/1}" class="list-group-item">
                <h4 class="list-group-item-heading">Levle 1-1</h4>
            </a>
        </div>

        <div class="list-group">
            <a th:href="@{/level1/2}" class="list-group-item">
                <h4 class="list-group-item-heading">Level 1-2</h4>
            </a>
        </div>

        <div class="list-group">
            <a th:href="@{/level1/3}" class="list-group-item">
                <h4 class="list-group-item-heading">Level 1-3</h4>
            </a>
        </div>

    </div>

    <div class="col-md-4">
        <h1>Level 2</h1>

        <div class="list-group">
            <a th:href="@{/level2/2}" class="list-group-item">
                <h4 class="list-group-item-heading">Levle 2-1</h4>
            </a>
        </div>

        <div class="list-group">
            <a th:href="@{/level2/2}" class="list-group-item">
                <h4 class="list-group-item-heading">Level 2-2</h4>
            </a>
        </div>

        <div class="list-group">
            <a th:href="@{/level2/3}" class="list-group-item">
                <h4 class="list-group-item-heading">Level 2-3</h4>
            </a>
        </div>

    </div>

    <div class="col-md-4">
        <h1>Level 3</h1>

        <div class="list-group">
            <a th:href="@{/level3/1}" class="list-group-item">
                <h4 class="list-group-item-heading">Levle 3-1</h4>
            </a>
        </div>

        <div class="list-group">
            <a th:href="@{/level3/2}" class="list-group-item">
                <h4 class="list-group-item-heading">Level 3-2</h4>
            </a>
        </div>

        <div class="list-group">
            <a th:href="@{/level3/3}" class="list-group-item">
                <h4 class="list-group-item-heading">Level 3-3</h4>
            </a>
        </div>

    </div>

</div>


</body>
</html>